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PRC-25/RT-505B VHF FM Military Radio
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RT-505B/PRC-25 all solid state backpack transceiver, Frequency range from 30-76 MHz, 50 KHz spacing. Radio has two bands, low 30 to 52.95 MHz and high 53 to 75.95 MHz. Power output 1.1 watt to 2 watt, with squelch tone 150 Hz.
RT-505B/PRC-25 has modified A25 audio Module.
The radio is transistorized except 2DF4 tube in final amplifier. PRC25 was widely used in the1960s and was replaced by PRC-77 in the end of 1960.
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Technical Specification:
Mode: FM (Voice)
Frequency Bands: 30-52.95MHz,
53-75.95MHz
Frequency Control: Master Oscillator
Antenna: Whip
Number of Channels: 920
Separation: 50KHz
Polarization: Vertical
Max Transmission Range: 5 Miles
Transmitter RF Output: 1 to 1.5 Watt
S/N Ratio: 50 dB
Selectivity: 200KHz Max, 38KHz Min
Sensitivity: 0.6 micro Volt
Power Supply: 12.5 Volts
Temperature Range: -40 to -70C
Weight: 24lb
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